Home / 107,280,070.60-160,920,105.90-77,270,931.40

Finding the Fourth Proportional to 107,280,070.60, 160,920,105.90 and 77,270,931.40

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Solution

The fourth proportional to 107,280,070.60, 160,920,105.90 and 77,270,931.40 is: 115,906,397.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,280,070.60 : 160,920,105.90 = 77,270,931.40 : x
  2. Step 2: Convert to fraction form
    107,280,070.60/160,920,105.90 = 77,270,931.40/x
  3. Step 3: Cross multiply
    107,280,070.60x = 160,920,105.90 × 77,270,931.40
  4. Step 4: Simplify right side
    107,280,070.60x = 12,434,446,463,879,636
  5. Step 5: Solve for x
    x = 12,434,446,463,879,636/107,280,070.60
  6. Step 6: Final answer
    x = 115,906,397.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.